Home / 21,913,288.80-30,250,024.16-13,095,850.72

Finding the Fourth Proportional to 21,913,288.80, 30,250,024.16 and 13,095,850.72

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Solution

The fourth proportional to 21,913,288.80, 30,250,024.16 and 13,095,850.72 is: 18,078,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,288.80 : 30,250,024.16 = 13,095,850.72 : x
  2. Step 2: Convert to fraction form
    21,913,288.80/30,250,024.16 = 13,095,850.72/x
  3. Step 3: Cross multiply
    21,913,288.80x = 30,250,024.16 × 13,095,850.72
  4. Step 4: Simplify right side
    21,913,288.80x = 396,149,800,675,753.44
  5. Step 5: Solve for x
    x = 396,149,800,675,753.44/21,913,288.80
  6. Step 6: Final answer
    x = 18,078,062.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.